China Manufacturer Dn250 Cast Iron Flanged Gate Valve for Water

China Manufacturer Dn250 Cast Iron Flanged Gate Valve for Water, Find details about China Flanged Gate Valve, Cast Iron Flanged Gate Valve from China Manufacturer Dn250 Cast Iron Flanged Gate Valve for Water

Basic Info.

Usage

Flow Control

Standard

DIN

Application

Industrial Usage, Water Industrial Usage

Pressure Rate

Pn10/16/25

Stem

SS304/420/316

Operator

Cap Nut/Handwheel

Size Range

Dn40-600

Coating

Epoxy Coated 250 Microns

Trademark

Walter

Transport Package

Bubble Bags & Wooden Case

Origin

Suzhou, Jiangsu

HS Code

8481801090

Usage

Flow Control

Standard

DIN

Application

Industrial Usage, Water Industrial Usage

Pressure Rate

Pn10/16/25

Stem

SS304/420/316

Operator

Cap Nut/Handwheel

Size Range

Dn40-600

Coating

Epoxy Coated 250 Microns

Trademark

Walter

Transport Package

Bubble Bags & Wooden Case

Origin

Suzhou, Jiangsu

HS Code

8481801090

Product Desciption

China manufacturer DN250 cast Iron flanged gate valve for water

Product standard
Standard of design and manufacture:GB/T12232 BS5163 AWWA C509
Flange connection standard:GB/T17241.6 BS EN1092-2 ASME B16.1
Structural length standard:GB/T12221 BS EN558-1 ASME B16.1
Test standard:GB/13927 BS EN12266-1 API598
technical parameter
inside nominal diameter : DN50 ~ DN600
Nominal pressure : PN16
working temperature : -5ºC--18ºC
Size range: 1", 1 1/2", 2" to 24"
Pressure Testing :
-Shell : PN*1.5
-Seal : PN*1.1
Applicable medium : water

No.	Part Name	Material
1	Gland	Ductile Iron (GGG50 / EN - GJS500-7)
2	Bonnet	Ductile Iron (GGG50 EN - GJS500-7)
3	Bonnet Gasket	NBR/EPDM
4	Wedge	Ductile Iron + EPDM(GGG50 EN - GJS500-7 + EPDM )
5	Wedge Nut	Brass (Cooper Alloy EN 12165 )
6	Stem	Stainless Steel( X20 Cr13 )
7	Thrust Washer	PTFE / Nylon
8	O rings	NBR / EPDM
9	Bolts	Carbon Steel / Stainless Steel
10	Gland	Stainless Steel( 0Cr13 )
11	Hand Wheel	Ductile Iron (GGG50 / EN - GJS500-7)

Dimensions(mm)

Model	Size	DN	L	D1	D2	D3	H	n-Φd PN10	n-Φd PN16
NRGV-0050	2"	50	178	99	125	165	221	4-Φ19	4-Φ19
NRGV-0065	21/2"	65	190	118	145	185	232	4-Φ19	4-Φ19
NRGV-0080	3"	80	203	132	160	200	245	8-Φ19	8-Φ19
NRGV-0100	4''	100	229	156	180	220	258	8-Φ19	8-Φ19
NRGV-0125	5''	125	254	184	210	250	274	8-Φ19	8-Φ19
NRGV-0150	6''	150	267	211	240	285	292	8-Φ23	8-Φ23
NRGV-0200	8''	200	292	266	295	340	369	12-Φ23	12-Φ23
NRGV-0250	10''	250	330	319	355	405	400	12-Φ28	12-Φ28
NRGV-0300	12''	300	356	370	410	460	436	12-Φ28	12-Φ28
NRGV-0350	14''	350	381	429	470	520	521	16-Φ28	16-Φ28
NRGV-0400	16''	400	406	480	525	580	566	16-Φ31	16-Φ31
NRGV-0450	18''	450	432	548	585	640	647	20-Φ31	20-Φ31
NRGV-0500	20''	500	457	609	650	715	692	20-Φ34	20-Φ34
NRGV-0600	24'	600	508	720	770	840	816	20-Φ37	20-Φ37